Floor-scraper.



D. P. T. DOUGLASS.

FLOOR SGRAPEB.

VAPPLIUATION FILED Mums. 1913.

11,107,919, f Patented Allg.18, 1914.

lllilllll* uunmsllll @vaknaam/a 3 D. P. T. DOUGLASS.

FLOOR SGRAPBR.

Patented Allg. 18, 1914.

a snr: sn T z www# pmdloyzaw Suh blades marbehld TnZZai/'wmiit Once-rai." i

't kneivnthat LDH,

produce the best `res mpfcvemccts iL-FlQOrZ-Scraper'smf @hic the .fellcwing iSaspeclatQn-fa. A f

may `be u: sed ;V connection with scraper blades different Sizes and'` af dierent thickn ess, meansA being provided whereby .fel'cerit-O .eraftoflfurther 0 i ducefadeviceof the character `described which bereadily tilted or adjustedpto vary' theangle of theblade with respect' to thefloortliat isto be l"o peratedLon `so as gto y ltsacco rding to lthe character of the 4 as wellas the kind and quality of wood'o- "whic is tobe scrapedisconstructed With these and other ends' view which ywillrcadily appear as'the naturejof'the invention is better understoodgthe fsa-me consists in the improved construction andnovel arrangement and combinationof parts which Win-fbshefnafafsii1y\sances'-afsi pas;

ticularly pointedy out kin the. claims. j

111 the. accompanying 4drawings has been illustrated a simple and lpreferred form of the invention, it being, however, understood that `no' limitation yis necessarily made to the precise structural details therein exhibited, but that changes, alterations andmodificationswithin the scope of the claims may be resorted to when desired. f 1

In the drawings,`--Fi,g';`ure` -1 is a side `elevation of a floor scraper constructed in ac-` cordance with the invention. Fig. 2 is a rear elevation ofthe saine. Fig. 3 is a top l plan view. Fig. 4 is a longitudinal vertical sectional View taken onthe line 4 4 in` v Fig.l 3. Fig. 5 is a transverse sectional vi'evvxV taken on thelinein Fig. 3.

' u res are denoted'b ence. y Y u Y y The body of theimproved'tool consists of a rectangular blockfl() of cast-iron or other 'suitable heavy material, said block `being parts :1n "the several `iig- Corresponding I rire-,vided with securely in position h. the Heier that,

y like characters of refer-v shown.

with set screws 34 bearing against the pintle, and capable of being secured in adjusted fraught@ Allg.' 13",

@bei .bddynmembe t' f bez adjusted relatively be' latter neludesiinnifingivhels f1 fsrably equipped' with rubb'erztires lidi-said, h'

axis ofthe?bltllffor thefpassageof an adjnsiingtboinen whereby. thailandia is ectof, the inventionisto prof mounted, 'an inclinedpositiomas clearly seeny innige. ifaniaglis, ,presided ai its iowa ,elllwitlikiStationery iiv aid a `H1Q`lVb1c jaw 23,` thefl'atter' being'moiinted on va pintle 24. Said stationary jaw has a terminal edge 2 5 `which.vvhenfthe implement is inoperfatio'n'occfpies apo'sition which isy substanf tially horizontal?, and parallel Ato tliejsurface provided'with recesses 29, whereby the area of vsaid meeting faces that contacts With the interposed blade 30 is materially reduced. Transverse bolts 31 are provided whereby the movable jaw may be secured firmly withrespect to the fixed jaw sol as to clamp theb'lade 30 securely between the 0p. .I

posed faces of the jaws.

For various kinds of work, mainly determined by the natureof the surface that is to'be operated upon, whether the saidsuralsbeings@Withiny the sidel edges ofthe `body.member Vl0. The

that'isto be scraped. Thejaw' 23 overhaiigs "thejavv 22 forming a lip`26, and the meeting" 4faces-*27, 28 of the two jaws are in substan` tially"paralleli? relationfto sone another, said meeting facesjor opposed faces being also uml i face be constructed of hard or of softwood, i blades 30 of varyingv thickness will be'use'd.

The body member l0 is provided withlugs gli 32 between which" the movable jaw member 23 is inset, saidk jaw member being provided with anaperture of ovalor oblong cross section lfor the passage yof the pintle 24,

which .latter extends through the lugs 32, asV i' The jaw member 23 is provided the movable jaw may be so adjusted that the j blade 30, no matter what may bel the thiekfv I vjaws with absolute security and freedom' from vibrationand hence in the bestinanner l entire areas of the opposed faces of the fixed; .1

and the movable jaws will contact with the iiess'of said blade7 thus enabling blade of any desired thickness to be held between the fforefficientwork.` Coiled 'springs 36 seated in recesses 37 are providedfor the purpose "1 of forcing the movableljaw outward from` the-bodymember 10 when theset screws 34 are loosened. Thejam nuts 35, as well as the heads of thebolts 12 and 31, are prefer- VAably provided with `recesses tofenable adj" justment to be made `by the useof aspanner or by'meansofsomel other ',tool, sueh as an f ordinary punch whenever fa2 wrenchis not with an elongated slotfo'rthe passage ofthe "readily available. i'

Fromy the foregoing description, takenin f connection A with the drawings "hereto an- 1 neXed, the operationandzadvantages of `this i invention will be `readil'y"undei'stood by those familiar with` this class of deviees. y i The scraperblade 30 when insertedbetween the opposedfaces ofthe jaws is adjiistedto project slightly. beyond the overhangin'g lip j26 of the movablefjaw which serves to steady 1 ,the b ladefiwlien the tool Vis drawn over the floor.

to permit shaving.

With the improved tool a lfloor lmay be a scraped as close to lthe mop boards asY de# f sired,fthe construction "being suoli that the eldgeof the blade may be presented incon- Theterminal face lof the stationaryl Ij aw` will be raised suficientlyabove the floor of thek passage of the'v chip or i 'aa' 'sia at isop baila. c casta iai, a. ,40- Y glesmay be scraped With equal' facility, asv well the middle and exposed'lportion of the floor. -Bladeslof `dierent dimensions may beused and may be lreadily interimprovedimpleinent a great saving of labor maylbe `eifected,"while the work may be performed even by labor that is not; specially vthrough the lugs', 'a movable jaw inset betweenl thelugs 4and` mounted on the `pivot member, aijidi` 'clamping means forv securing the movable jaw with respect to the stationaryfj aw; the movable jaw being; provided pivot member and with setl screwsengaging said 4pivot member; and springs interposed between thej-aws to force them apart.`

bodymeinber having a stationary jaw provided ,with lugs, a pintleiixed in Vsaid lugs, a movable j aw'inset between the lugs and having an elongated vaperture `movably engaging thev pintle, set screws engaging the pintlethrough the movable jaw,'and bolts whereby the movable jaw is secured inl fixed relation to ther stationary jaw. i v.

In testimony 'whereof I affix my signature in presence ofvtwo witnesses.

Diivin i?, yarg1.)

j y A a oUGLAss.

Winesses: .y j

'j JNO., R. Trioiviiis, y W.jBooNn.j

eopies of this patent may be obtained for fiveV cents each, mythe4 Coniinissonerlof latents.V

i Y j Waslingtom 1l. C. 1. i

2L4 In" agdevice ofjthe class described, a I 

